#4473DD#4473DD

#4473DD is a mid, vivid blue. Relative luminance 0.187; OKLCH L 57.8% C 0.170 H 263.9°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#4473DD
RGB	rgb(68, 115, 221)
HSL	hsl(222, 69%, 57%)
HSV	hsv(222, 69%, 87%)
CMYK	cmyk(69.2%, 48%, 0%, 13.3%)
CIE-LAB	lab(50.34, 18.97, -58.94)
CIE-LCH	lch(50.34, 61.91, 287.84°)
OKLab	oklab(57.85% -0.0181 -0.169)
OKLCH	oklch(57.85% 0.17 263.9)
XYZ	xyz(21.5612, 18.7087, 70.8674)
Luminance	0.1871 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4473DD #DDAE44

analogous

#44BFDD #4473DD #6244DD

triadic

#4473DD #DD4473 #73DD44

tetradic

#4473DD #DD44BF #DDAE44 #44DD62

square

#4473DD #DD44BF #DDAE44 #44DD62

split-complementary

#4473DD #DD6244 #BFDD44

monochromatic

#1A3D8D #2353C1 #4473DD #789AE6 #ACC1F0

Accessibility & contrast

On white

4.43

#4473DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#4473DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4473DD

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4473DD	#FFFFFF	#000000	##000000
##4473DD	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#397FE1

Deuteranopia (green-blind)

#0D71DB

Tritanopia (blue-blind)

#008C9D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4473dd;
/* rgb */ color: rgb(68, 115, 221);
/* oklch */ color: oklch(57.8% 0.170 263.9);

Tailwind

colors: {
  custom: {
    50: '#899ae8',
    500: '#4473dd',
    950: '#000000',
  },
}

SCSS

$custom: #4473dd;
$custom-light: #899ae8;
$custom-dark: #000000;

JSON

{
  "hex": "#4473dd",
  "rgb": {
    "r": 68,
    "g": 115,
    "b": 221
  },
  "hsl": {
    "h": 221.569,
    "s": 69.231,
    "l": 56.667
  },
  "oklch": {
    "l": 0.57847,
    "c": 0.17,
    "h": 263.9
  },
  "luminance": 0.18711
}

Semantic roles & 50–950 ramp

primary

#4473DD

secondary

#DECA9F

accent

#B63CEC

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4473DD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →